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Francis Darwin Solomon (December 9, 1937 – June 1, 1998) was an American actor known professionally as Darwin Joston (sometimes credited as Darwin Jostin during the early years of his career). Joston began his career as a New York stage actor, and he appeared in many popular television shows during the 1960s, early 1970s, and mid-1980s, but he is best known for his performances in independent films that later achieved cult status, particularly Assault on Precinct 13.